According to TVLine, the actor will reprise his role as Louis Canning — the head of Lockhart/Gardner’s rival law firm — on “The Good Wife.” Fox is set to appear on the series’ eleventh episode, which is set to air in January 2013.

Knight, who played Dr. George O’Malley on ABC’s “Grey’s Anatomy” has been cast to guest-star as a political operative on the drama series, EW reports.

In other casting news…

Adam Baldwin has been cast to replace Titus Welliver on TNT’s “The Last Ship.“ Welliver has opted out of pilot due to a health emergency [Deadline]

Mark-Paul Gosselaar has been tapped to play Tim, a handsome doctor, who is Amy’s (Meredith Hagner) ex-boyfriend on “Men At Work.” [THR] Additionally, Gosselaar will appear on ABC’s “Happy Endings” as Chase, Max’s mysterious roommate. [EW]

Betsy Brandt, “Breaking Bad” star has been cast to guest star on “Parenthood” for an episode. Brandt will guest star on “Parenthood” as the ex-wife of Ray Romano’s Hank Rizzoli. [TV Guide]

Wyclef Jean will be visiting “Nashville.” Jean will play the head of a music label on the new ABC drama. [THR]

“The House of Payne’s” J.R. Ramirez has joined “Emily Owens, M.D.” in a recurring role. Ramirez will play a confident doctor named AJ, who returns to the hospital after a leave of absence. [TV Guide]

Laurie Metcalf “Roseanne” vet will appear in a multi-episode arc on Fox’s new comedy series “The Goodwin Games.” Metcalf will play Scott Foley’s character’s boss, Dr. Richland, who makes a surprise suggestion to get Foley’s character back on track at work. [TVLine]

According to EW,The former “CSI: Miami” star is heading to Fox’s “Goodwin Games.” Rodriguez has been tapped to play Ivan, a math professor and potential love interest of Chloe (Becki Newton).

The new series follows three siblings who stand to inherit millions from their deceased father’s if they compete in challenging games.

“The Goodwin Games” premieres early 2013.

In other casting news…

“Jericho” alum Brad Beyer has been cast in a two-episode arc on “NCIS.” Beyer has been cast as Marine Capt. Joe Westcott, an upstanding unit leader who returns home after touring in Afghanistan. [TV Guide]

Maria Thayer Forgetting Sarah Marshall has been tapped to play Nick’s college girlfriend, Amelia in “New Girl.” Thayer is set to appear in the Halloween episode of the adorkable comedy. [TV Guide]

Christopher McDonald and Julie Hagerty have joined “Happy Endings” as Alex (Elisha Cuthbert) and Jane’s (Eliza Coupe) parents. The duo will appear in the sixth season of the upcoming season. [TVGuide]

Kevin Sussman has been upped as a series regular on “The Big bang Theory.”

According to Deadline, Sussman, who has recurred as Stuart, the owner of the Marvel-lite comic book shop, since season 2 joins Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayar, Melissa Rauch and Mayim Bialik as a series regular.

“The Big Bang Theory” premieres on Thursday, Sept. 27 at 8/7c on CBS.

More casting news…

Bob Costas is set to guest star as himself on NBC’s new comedy “Go On.” [EW]

Kristina Anapau will guest star in an upcoming episode of the current season of “Grimm.” The “True Blood” actress will play Megan Marston, a quiet, sheepish secretary who works at a Wesen church. [TVLine]

Lindsay Sloane (Weeds) has booked a guest role on Fox’s new comedy “Ben and Kate” as Ben’s ex-girlfriend, Louise. [TVLine]

Chloe Sevigny has been tapped to join the cast of “Portlandia,” EW reports. The “Big Love” vet is set to play Fred and Carrie’s roommate, Alexandra.

Jessica De Gouw has landed a multi-episode arc on The CW’s “Arrow.” Gouw is set to play The Huntress, aka Helena, a potential love interest for Oliver Queen. [EW]

William Forsythe and Samaire Armstrong will reprise their roles on “The Mentalist.” Forsythe will return as Rigsby’s father, while Armstrong will reprise her role as Summer Edgecombe, CBI confident informant. [TVLine]

Jillian Bell (Workaholics) has booked a recurring role as Renata, the second cousin of Sophia Bush’s character in CBS new comedy “Partners.” Renata is “a work-in-progress,” and a bit of a personal and professional mess. [TVLine]

Alice Evans will appear in an episode of NBC’s “Grimm.” The former “Vampire Diaries” actress is set to play Mia, EW reports. Evans’ character had “ongoing relationship” with Capt. Renard.

“Grimm” returns on Aug. 13.

More casting news!

Polly Walker will recur in “The Mentalist” as a senior, strong FBI agent. Walker is set to debut during the season premiere. [TVLine]

Penelope Ann Miller (Men of a Certain Age) is joining ‘Mistresses.’ Miller will recur as Sam’s (Erik Stocklin) mother, whose late husband had an affair with Yunjin Kim’s character. The drama is set to debut midseason. [EW]

Jason Beghe (Californication) has joined the cast of NBC’s upcoming drama ‘Chicago Fire.’ Beghe will recur as Detective Hank Voight, a dangerous cop who will do anything to protect his delinquent son. [THR]

“Til Death” vet, Kat Foster has joined “The Goodwin Games” as a series regular. Foster will play Lucinda, a childhood sweetheart of one of the Goodwin boys. [TVLine]

The shocker? “Glee” moves to Thursdays following “X Factor” (Fall) and “American Idol” (midseason). “Touch,” drama series starring Keifer Sutherland also moves to a new night, Fridays. Will you watch “Glee” and “Touch” on their new night?

Two new dramas “The Following” and “The Mob Doctor”, and three new comedies “The Mindy Project,” “Ben And Kate,” “The Goodwin Games” will premiere on FOX this fall/spring. “The Mindy Project,” “Ben And Kate,” “The Mob Doctor,” all debut this fall. While “The Following” ”The Goodwin Games” premiere in midseason.